Home / 676,642.28-933,722.60-370,718.24

Finding the Fourth Proportional to 676,642.28, 933,722.60 and 370,718.24

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Solution

The fourth proportional to 676,642.28, 933,722.60 and 370,718.24 is: 511,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,642.28 : 933,722.60 = 370,718.24 : x
  2. Step 2: Convert to fraction form
    676,642.28/933,722.60 = 370,718.24/x
  3. Step 3: Cross multiply
    676,642.28x = 933,722.60 × 370,718.24
  4. Step 4: Simplify right side
    676,642.28x = 346,147,992,398.02
  5. Step 5: Solve for x
    x = 346,147,992,398.02/676,642.28
  6. Step 6: Final answer
    x = 511,567.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.